ZIPP 808 NSW disc

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Description

Specifications

The relentless pursuit of speed leads many cyclists straight to the 808 NSW, with its 82mm rim depth and unsurpassed crosswind stability. The 808 NSW Carbon Clincher Tubeless Disc brake wheelset builds on that lineage with a revised rim shape and tubeless compatibility, along with the increased stopping power and speed modulation of disc brakes.

Rim depth and shape along with tire selection were all carefully considered throughout the development process. The 808 NSW, with an internal width of 19mm, is optimized for smoother pavement and are aerodynamically optimized for 25mm tires. By extending our patented ABLC™ Sawtooth™ dimples all the way to the rim’s edge on each of the wheels, NSW disc brake rims deliver higher frequency wind vortex shedding for best-in-class crosswind stability.

Designed to be tubeless compatible, NSW disc brake wheels feature a rim bed made with internal ridges to lock the tire’s bead in place. A tubeless setup allows riders to select lower tire pressure for more comfort while reducing the risk of pinch flats. Tires such as the Zipp Tangente RT28 or RT25 Road Tubeless are a perfect match for the new wheels and deliver exceptionally low rolling resistance and high corning grip.

To ensure our exacting manufacturing standards are met, all NSW rims are handmade in Indianapolis and feature Zipp’s exclusive ImPress™ graphics technology—which prints graphics directly on the wheel rather than using decals—to help allow our ABLC Sawtooth dimples to do what they were designed to do, control vortex shedding. This is crucial to achieving the high stability and low-drag combination we call Aero Balance™. ImPress graphics also give NSW wheels a distinctive stealthy look while keeping rims as light as possible.

COGNITION DISC HUBSET
Every time a conventional hubset starts to coast, friction within the freehub ratchet mechanism works like a drum brake to slow the rider down. With the Cognition Disc-brake hubset’s Axial Clutch technology, we’ve reduced this drag by disengaging the ratchet mechanism when coasting. Our testing shows that the best traditional three-pawl hub designs have twice the rotating friction as our Axial Clutch equipped Cognition rear hub, and the most popular hubsets using a similar drive mechanism as Axial Clutch were found to produce four times the rotating friction.

All NSW rims are handmade in Indianapolis, where Zipp's engineering, manufacturing, and testing are conducted and includes "The Nest" advanced development lab where NSW was born.